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V125BC [204]
2 years ago
12

4x−4<8 AND 9x+5>23 Doing Khan Academy HelP!!

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
5 0

Answer:

x<3 and x>2

Step-by-step explanation:

write the symbols this < and > to get the correct answer

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1. Which figure has reflection symmetry?
grin007 [14]

Answer:

1. Figure C has reflection symmetry.

2. A and D have reflection symmetry.

Step-by-step explanation:

1. When you cut the arrow horizontally, you get the same shape on each side.

2. When you divide them, you should have symmetry, meaning they are the same when divided/cut.

5 0
3 years ago
Read 2 more answers
With compound interest, what happens when you start compounding more and more frequently?
VLD [36.1K]
Your money grows faster because the interest is added back into the principle and then the next time it compounds you get interest on the new principle amount.  So for example, you deposit $100 in an account that gets 5% interest compounded semiannually. The first time it compounds you get $5 added to your account so your new balance is $105.  The next time it compounds you get 5% on $105 so you get $5.25 added and so on.  If this is only happening semi-annually that would be all you get for the year.  But if it happens quarterly you would get would get deposits of $5.51 and $5.79 as well.  If it compounds monthly or even daily your money would grow more and more.  Hope this helps.
7 0
3 years ago
mason made 5 quarts of salsa which of the following can be used to find the number of cups of salsa mason made
RUDIKE [14]

Answer:

I think its 20 cups, it doesn’t have a link for ‘the following’

probably not right I’m dum

8 0
3 years ago
The following histogram shows the number of items sold at a grocery store at various prices:
monitta

Answer:

<h2><u><em>its B</em></u></h2>

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A 1200 kg car rolling on a horizontal surface has speed v = 50 km/h when it strikes a horizontal coiled spring and is brought to
tangare [24]
When the car is moving, it has Kinetic Energy. As soon as the car entercount with the spring, its Kinetic Energy will transfer to Elastic Potential Energy. 

<span>KE = EPE </span>
<span>1/2mv^2 = 1/2kx^2 </span>

<span>change the speed into m/s </span>
<span>50 km/hr = 13.9 m/s </span>

<span>1/2(1200)(13.9)^2 = 1/2k(2.2)^2 </span>

<span>now you do the math to solve for k.
k= 115926/2.42
K= 47903.30</span>
8 0
3 years ago
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